Small jet-black seabird of coastal areas of the Pacific. Breeding plumage is black with bold white wing patch and bright red legs. Plumage changes dramatically in winter to whitish overall with dusky markings on body and black wingtips. Often found in shallower coastal waters than other alcids and regularly seen from shore. Dives to hunt for fish and invertebrates. Nests in crevice or burrow in a cliff or around large rocks.